{"action":"Upgrade praisonai to 4.6.58 or later.","affected":[{"fixed":"4.6.58","introduced":"0"}],"component":"praisonai","cve_ids":["CVE-2026-55529"],"ecosystem":"PyPI","epss":0.00175,"exploited":false,"fixed_versions":["4.6.58"],"ghsa_id":"GHSA-wj6g-v78p-6fx3","id":"tcs_01M5KG29Z0FRMQXWYX9WXBZNSS","modified_at":"2026-09-10T12:26:00.393454285Z","published_at":"2026-08-25T14:26:26Z","references":["https://osv.dev/vulnerability/GHSA-wj6g-v78p-6fx3","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-wj6g-v78p-6fx3","https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1","https://github.com/MervinPraison/PraisonAI","https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"GHSA-wj6g-v78p-6fx3","url":"https://osv.dev/vulnerability/GHSA-wj6g-v78p-6fx3"}],"summary":"PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server"}